After uptade in Ubuntu 15.04 LTS, i've got no Sound in the entire OS.

[Pedro Henrique Menezes]

SInce i uptaded the Ubuntu 15.04 LTS, my computer got no sound. I've tried a lot of solutions that a found on the internet, but none worked. The OS don't recognize the sound board.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libdrm2:amd64 2.4.64-1~ubuntu14.04.1
ProcVersionSignature: Ubuntu 3.19.0-47.53~14.04.1-generic 3.19.8-ckt10
Uname: Linux 3.19.0-47-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.14.1-0ubuntu3.19
AptdaemonVersion: 1.1.1-1ubuntu5.2
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CrashReports:
 640:0:116:386004:2016-02-11 19:00:34.354408740 -0200:2016-02-11 19:00:35.354408740 -0200:/var/crash/libudev1:amd64.0.crash
 600:109:116:0:2016-02-11 19:00:41.018408391 -0200:2016-02-11 19:00:41.018408391 -0200:/var/crash/libudev1:amd64.0.uploaded
 600:0:116:135672:2016-02-11 19:00:14.026409626 -0200:2016-02-11 19:00:15.026409626 -0200:/var/crash/libdrm2:amd64.0.crash
 644:0:116:0:2016-02-11 19:00:36.950408572 -0200:2016-02-11 19:00:36.950408572 -0200:/var/crash/libudev1:amd64.0.upload
 600:0:116:135667:2016-02-11 19:00:14.982409552 -0200:2016-02-11 19:00:14.750409562 -0200:/var/crash/ntpdate.0.crash
Date: Thu Feb 11 19:00:15 2016
Dependencies:
 gcc-4.9-base 4.9.3-0ubuntu4
 libc6 2.19-0ubuntu6.6
 libgcc1 1:4.9.3-0ubuntu4
 multiarch-support 2.19-0ubuntu6.6
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
DuplicateSignature: package:libdrm2:amd64:2.4.64-1~ubuntu14.04.1:package libdrm2:amd64 is already installed and configured
ErrorMessage: package libdrm2:amd64 is already installed and configured
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:0718]
InstallationDate: Installed on 2016-01-24 (18 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
MachineType: Acer Aspire E1-471
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-47-generic root=UUID=47708600-4eb9-45ee-88b1-ce3d92cdf302 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.5
 apt 1.0.1ubuntu2.11
SourcePackage: dpkg
Title: package libdrm2:amd64 2.4.64-1~ubuntu14.04.1 failed to install/upgrade: package libdrm2:amd64 is already installed and configured
UdevLog:
 monitor will print the received events for:
 UDEV - the event which udev sends out after rule processing
 KERNEL - the kernel uevent
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/02/2012
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V1.18
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: EA40_HC
dmi.board.vendor: Acer
dmi.board.version: Type2 - Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.18:bd05/02/2012:svnAcer:pnAspireE1-471:pvrV1.18:rvnAcer:rnEA40_HC:rvrType2-BoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: Aspire E1-471
dmi.product.version: V1.18
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.11.3+14.04.20150313-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.64-1~ubuntu14.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri N/A
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core N/A
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
xserver.bootTime: Thu Feb 11 18:31:08 2016
xserver.configfile: default
xserver.errors:
 modeset(G0): drmSetMaster failed: Invalid argument
 modeset(G0): drmSetMaster failed: Invalid argument
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id 6204
 vendor AUO
xserver.version: 2:1.17.1-0ubuntu3~trusty1

[Brad Figg (brad-figg)]

This change was made by a bot.

[Joseph Salisbury (jsalisbury)]

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.7 kernel[0].

If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.7-rc6-yakkety/

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]